5182-3448 Replacement microseals for use with 1.5 mm SPME Arrows Vial, screw top, headspace, amber, round bottom, 20 mL, 23 × 75 mm, 100/pk Vial, screw top, headspace, clear, 20 mL, 23 × 75 mm, 100/pk 5188-2759 Caps/septa, screw, headspace, steel, high temperature septa, certified, 18 mm, 100/pk